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Front view of Intel Core i3 3220

Intel Core i3 3220

CPUBoss Winner

Differences What are the advantages of each

Front view of Intel Core i7 640LM

Reasons to consider the
Intel Core i7 640LM

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Much better 3DMark06 CPU score 2,539 vs 47.7 Around 53.2x better 3DMark06 CPU score
Much better performance per watt 21.08 pt/W vs 2.69 pt/W More than 7.8x better performance per watt
Significantly lower typical power consumption 20.31W vs 44.69W 2.2x lower typical power consumption
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
More l3 cache per core 2 MB/core vs 1.5 MB/core Around 35% more l3 cache per core
Significantly lower annual commercial energy cost 21.9 $/year vs 48.18 $/year 2.2x lower annual commercial energy cost
Significantly lower annual home energy cost 6.02 $/year vs 13.25 $/year 2.2x lower annual home energy cost
Front view of Intel Core i3 3220

Reasons to consider the
Intel Core i3 3220

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Significantly higher clock speed 3.3 GHz vs 2.13 GHz Around 55% higher clock speed
Much better turbo clock speed 1,050 MHz vs 566 MHz More than 85% better turbo clock speed
Significantly newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much higher GPU clock speed 650 MHz vs 266 MHz Around 2.5x higher GPU clock speed
Significantly better PassMark (Single core) score 1,764 vs 1,048 Around 70% better PassMark (Single core) score
Significantly better geekbench 3 Multi-Core score 5,399 vs 3,396 Around 60% better geekbench 3 Multi-Core score
More number of displays supported 3 vs 2 1 more number of displays supported
Better overclocked clock speed (Air) 3.43 GHz vs 2.8 GHz More than 20% better overclocked clock speed (Air)
Newer Sep, 2012 vs Jan, 2010 Release date over 2 years later
Significantly better overclocked clock speed (Water) 3.46 GHz vs 2.13 GHz More than 60% better overclocked clock speed (Water)

Benchmarks Real world tests of Core i7 640LM vs i3 3220

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 640LM
1,300,000 MB/s
Core i3 3220
173,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i7 640LM  vs
i3 3220 
Clock speed 2.13 GHz 3.3 GHz
Cores Dual core Dual core
Socket type
BGA 1288
LGA 1155
Is unlocked No No

features

Has a NX bit Yes Yes
Supports trusted computing Yes No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 25W 55W
Annual home energy cost 6.02 $/year 13.25 $/year
Annual commercial energy cost 21.9 $/year 48.18 $/year
Performance per watt 21.08 pt/W 2.69 pt/W
Typical power consumption 20.31W 44.69W

bus

Architecture DMI DMI
Number of links 1 1
Transfer rate 2,500 MT/s 5,000 MT/s

details

Core i7 640LM  vs
i3 3220 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 0.5 MB 0.5 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 4 MB 3 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 32 nm 22 nm
Max CPUs 1 1
Clock multiplier 16 33

overclocking

Overclocked clock speed 2.8 GHz 3.43 GHz
Overclocked clock speed (Water) 2.13 GHz 3.46 GHz
Overclocked clock speed (Air) 2.8 GHz 3.43 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics Intel® HD Graphics 2500
Number of displays supported 2 3
GPU clock speed 266 MHz 650 MHz
Turbo clock speed 566 MHz 1,050 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
DDR3-800
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 17,066.66 MB/s 25,600 MB/s
Maximum memory size 8,192 MB 32,768 MB
Intel Core i7 640LM
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Intel Core i3 3220
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